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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.dao.utils;
import java.util.HashMap;
import java.util.Map;
public class TypeMap {
private Map<Class<? extends Object>, Map<String, Object>> cacheMap = new HashMap<Class<? extends Object>, Map<String, Object>>();
private Map<String, Object> getMap(Class<? extends Object> clazz) {
Map<String, Object> map = cacheMap.get(clazz);
if (map == null) {
cacheMap.put(clazz, new HashMap<String, Object>());
}
return cacheMap.get(clazz);
}
/**
* put an object (value) in it's type map using the given key.
*
* @param key
* The key inside the type map.
* @param value
* The object to insert (based on it's type and the given key).
*/
public void put(String key, Object value) {
getMap(value.getClass()).put(key, value);
}
/**
* Get the cached object based on it's type and key.
*
* @param clazz
* The object's type.
* @param key
* The object key.
* @return The object that match the given type and key or null if none
* matches.
*/
@SuppressWarnings("unchecked")
public <T> T get(Class<T> clazz, String key) {
return (T) (cacheMap.get(clazz) == null ? null : cacheMap.get(clazz).get(key));
}
}
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